Home / 654,111.82-981,167.74-204,867.85

Finding the Fourth Proportional to 654,111.82, 981,167.74 and 204,867.85

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Solution

The fourth proportional to 654,111.82, 981,167.74 and 204,867.85 is: 307,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,111.82 : 981,167.74 = 204,867.85 : x
  2. Step 2: Convert to fraction form
    654,111.82/981,167.74 = 204,867.85/x
  3. Step 3: Cross multiply
    654,111.82x = 981,167.74 × 204,867.85
  4. Step 4: Simplify right side
    654,111.82x = 201,009,722,418.07
  5. Step 5: Solve for x
    x = 201,009,722,418.07/654,111.82
  6. Step 6: Final answer
    x = 307,301.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.